Telegraph Machine
“On 6th January 1838 Samuel Morse’s revolutionary telegraph system was demonstrated for the first time at the Speedwell Iron Works in Morristown, New Jersey. Within a few years of the initial demonstration a series of telegraph lines would be strung across the United States and the Atlantic, completely changing the nature of long distance communication” – Read Full Article:
Image courtesy of Wikimedia commons user: Jorge Royan
Key facts Frequency range: 1.5 MHz to 30 MHz (transmission), 10 kHz to 30 MHz (reception) Power classes of 150 W, 500 W, 1000 W and standalone receiver LIN... Read more
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